The state of the art advanced developments of series-resonant high-frequency inverter using static induction transistors/power modules

Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting Pub Date : 1990-10-07 DOI:10.1109/IAS.1990.152467

H. Ogiwara, S. Nagai, M. Nakaoka, S. Hamada

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引用次数: 5

Abstract

The development of a voltage-fed series resonant, high-frequency pulse-width modulation (PWM) inverter system using high-power static induction (SI) transistors/power modules for an induction-heating power supply is discussed. The inverter system, an alternate fast-response power regulation scheme incorporating either a fixed-frequency PWM or a variable-frequency PWM control strategy, as compared with the conventional PWM and PWM hybrid control strategy, is described, including the protection control hardware. It is shown the the load current-adaptive frequency tracking-based PWM control implementation using a two-channel, phase-locked loop system with protection logic hardware is effective in minimizing switching losses and stresses. It also reduces EMI noise level, accomplishes fast-response voltage regulation, and solves dead-short circuit problems that are due to fast-recovery diode characteristics in a power regulation process. Computer-aided simulation results and experimental results based on a 200 kHz-20 kW/40 kW breadboard using the optimum drive-circuit and interface of SI transistors are presented.<>

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采用静态感应晶体管/功率模块的串联谐振高频逆变器是目前先进的发展趋势

讨论了一种采用大功率静态感应晶体管/功率模块作为感应加热电源的电压馈电串联谐振高频脉宽调制(PWM)逆变系统。与传统的PWM和PWM混合控制策略相比，描述了逆变器系统，一种包含固定频率PWM或变频PWM控制策略的备用快速响应功率调节方案，包括保护控制硬件。结果表明，采用带保护逻辑硬件的双通道锁相环系统实现基于负载电流自适应频率跟踪的PWM控制，可以有效地降低开关损耗和应力。它还降低了EMI噪声水平，实现了快速响应电压调节，并解决了由于功率调节过程中快速恢复二极管特性而导致的死短路问题。给出了在200 kHz-20 kW/40 kW面包板上采用最佳驱动电路和SI晶体管接口的计算机辅助仿真结果和实验结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting

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